312203440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205397}}^1$

素因数の和:205429

約数の個数: 40

約数和(自身を含む): 764080560

約数和(自身を除く): 451877120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 205397, 410794, 821588, 1026985, 1643176, 2053970, 3286352, 3902543, 4107940, 7805086, 8215880, 15610172, 16431760, 19512715, 31220344, 39025430, 62440688, 78050860, 156101720, 312203440]

約数ペア:

[(1, 312203440), (2, 156101720), (4, 78050860), (5, 62440688), (8, 39025430), (10, 31220344), (16, 19512715), (19, 16431760), (20, 15610172), (38, 8215880), (40, 7805086), (76, 4107940), (80, 3902543), (95, 3286352), (152, 2053970), (190, 1643176), (304, 1026985), (380, 821588), (760, 410794), (1520, 205397)]